Cold water mode
1. Connect to water supply and determine whether the water tank fills up completely
and the float valve stops.
2. Ignition (switch 1A) to OFF.
3. Main switch to ON.
4. Open high pressure gun. The pump sucks water from the water tank and moves
the water through the heating coil to the lance, the pressure is increased.
After you close the gun, press the red pressure switch (7). The 20-Second-Stop
system is activated, i.e. after closing the gun, the pump motor is turned off after 20
seconds. When you open the gun the motor starts again.
If the gun stays closed for more than 20 minutes, the safety switch off is activated
and the machine is turned off completely, i.e. if you want to use the machine you
must first turn it OFF and then ON with the main switch.
ATTENTION!!
If the pressure is not built up immediately, there is still air
in the pump. Open and close the gun repeatedly to press
the air from the machine.
Description of function - Troubleshooting
21
Hot water mode
Start the machine just like in cold water mode and then turn the rocker switch for the
burner to ON. Then, turn the rotary switch on the thermostat, (2) located on the front,
to the desired temperature (at least 40 °C) in order to activate the burner, i.e., that fuel
is injected.
The manometer (15) on the fuel pump shows approx. 10 bars. If this display is mis-
sing, check whether
1. there is heating oil in the tank
2. the fuse in the terminal box ( 11 ) for the motor ( 9 ) has blown.
3. the fuel sieve (22) or the fuel sieve in the pump (16) is dirty.
4. the ball cock (20) is closed.
5. the fuel pump does no operate smoothly or is blocked.
6. the ventilator jams.
The thermostat grants permission to open the solenoid valve; after opening the gun,
the burner starts. If the solenoid valve is open, the fuel pressure is approx. 10 bars.
The burner starts and heats the water to the temperature preset by you. When the
temperature is reached, the burner turns off. If the temperature drops again, the
burner switches back on automatically, so that you continuously have the desired
temperature.
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